August 2021 - Page 56 of 65

AlmaLinux 8 — keycloak-httpd-client-install — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — keycloak-httpd-client-install — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3460 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — linux-vieb — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-vieb — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vieb — Remote Code Execution via Visiting Untrusted URLs Upstream summary: Zhengyu Liu, Jianjia Yu, Jelmer van Arnhem report: We discovered a remote code execution (RCE) vulnerability in the latest […]

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Common Problems 112909

Windows Server 2016 – Failover cluster loses quorum after witness outage – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2021 Affected versions: Windows Server 2016 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Swift init() — step-by-step DevOps tutorial on Progressive Robot

Swift init()

URL: https://www.progressiverobot.com/swift-init/ In this Swift tutorial, we'll be discussing an important concept, namely Swift init or Swift initialization. Initialization is what happens when we create an instance of some type. Swift init() Initialization is the process of preparing an instance of a class, structure, or enumeration for use. This process involves setting an initial value […]

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How to Install Perl on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Perl on FreeBSD 13

Introduction Deploying install perl on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]

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Arch Linux — gitlab — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gitlab — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202104-1 Related CVEs: CVE-2021-28965 CVE-2021-22205 CVE-2021-22192 CVE-2018-18649 CVE-2018-18648 CVE-2018-18646 CVE-2018-18645 CVE-2018-18643  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 13.10.2-1. Fixed in: 13.10.3-1. Group: AVG-1822. Table of contents […]

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